| Post Office Name | City/State | Address | Phone Number | Action |
|---|---|---|---|---|
| Adams Post Office | Adams, OR 97810 | 230 Old Hwy 11 | 5415662689 | View Details Get Directions |
| Athena Post Office | Athena, OR 97813 | 345 E Main St | 5415662261 | View Details Get Directions |
| Echo Post Office | Echo, OR 97826 | 130 W Main | 5413768351 | View Details Get Directions |
| Helix Post Office | Helix, OR 97835 | 209 Concord St | 5414572583 | View Details Get Directions |
| Hermiston Post Office | Hermiston, OR 97838 | 375 W Orchard Ave | 5415647921 | View Details Get Directions |
| Milton Freewater Post Office | Milton Freewater, OR 97862 | 109 W Broadway Ave | 5419382744 | View Details Get Directions |
| Pendleton Post Office | Pendleton, OR 97801 | 104 Sw Dorion Ave | 5412784053 | View Details Get Directions |
| Pilot Rock Post Office | Pilot Rock, OR 97868 | 103 Nw Alder Pl | 5414436191 | View Details Get Directions |
| Stanfield Post Office | Stanfield, OR 97875 | 420 S Main St | 5414493230 | View Details Get Directions |
| Ukiah Post Office | Ukiah, OR 97880 | 105 E Main St | 5414273332 | View Details Get Directions |
| Umatilla Post Office | Umatilla, OR 97882 | 1900 6th St | 5419225662 | View Details Get Directions |
| Weston Post Office | Weston, OR 97886 | 204 E Main St | 5415663632 | View Details Get Directions |
| Mailbox in Post Office Lobby | Ukiah, OR 97880 | Po Box 2051 | -- | Get Directions |
| Public Collection Box | Pendleton, OR 97801 | 1100 Southgate B | -- | Get Directions |
| Public Collection Box | Milton Frwtr, OR 97862 | 122 W Broadway Ave | -- | Get Directions |
| Public Collection Box | Pendleton, OR 97801 | 201 Sw 20th St | -- | Get Directions |
| Public Collection Box | Pendleton, OR 97801 | 216 Se 4th St | -- | Get Directions |
| Public Collection Box | Hermiston, OR 97838 | 411 E Main St | -- | Get Directions |
| Public Collection Box | Pendleton, OR 97801 | 500 Sw Dorion Ave | -- | Get Directions |
| Public Collection Box | Hermiston, OR 97838 | 582 E Main St | -- | Get Directions |
| Public Collection Box | Milton Frwtr, OR 97862 | 609 E Broadway Ave | -- | Get Directions |
| Public Collection Box | Pendleton, OR 97801 | 700 Se Emigrant Ave | -- | Get Directions |
| Public Collection Box | Milton Frwtr, OR 97862 | 722 S Main St | -- | Get Directions |
| Public Collection Box | Hermiston, OR 97838 | 750 W Elm Ave | -- | Get Directions |
